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Finding the Fourth Proportional to 369,389.60, 554,084.55 and 88,906.85

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Solution

The fourth proportional to 369,389.60, 554,084.55 and 88,906.85 is: 133,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,389.60 : 554,084.55 = 88,906.85 : x
  2. Step 2: Convert to fraction form
    369,389.60/554,084.55 = 88,906.85/x
  3. Step 3: Cross multiply
    369,389.60x = 554,084.55 × 88,906.85
  4. Step 4: Simplify right side
    369,389.60x = 49,261,908,759.21
  5. Step 5: Solve for x
    x = 49,261,908,759.21/369,389.60
  6. Step 6: Final answer
    x = 133,360.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.